Patagonia captivates with its craggy peaks, beautiful lakes, ancient forests, and enormous glaciers.
A brilliant blue center encircled by rusty orange, yellow, and green bands makes the Grand Prismatic, Yellowstone's most famous hot spring, look otherworldly.
Plitvice Lakes National Park, two hours south of Zagreb in Croatia, covers about 115 square miles (297.8 km) near Bosnia and Herzegovina.
This geological wonder in Northern Ireland is associated with two giants: Irish Finn McCool and his Scottish rival, the terrifying Benandonner.
The geologically stunning Pamukkale ('cotton castle') travertine terraces are one of Turkey's most magnificent sites.
Bagan, an abandoned city in Myanmar, is one of the world's most beautiful and mysterious sights.
At 4,086 square miles (10,582.7sq km), the Salar De Uyuni is the world's largest salt flat and a stunning natural mirror.